Can someone me with c, d,e, f,g, h i don’t really pay much attention

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.